ENGINE BACKFIRE

My 1989 Grand Am With The 2.5 Iron Duke With 90,000 Miles On It Backfires At 1/2 To 3/4 Throttle. I Have Replaced Most Of The Sensors On The...

Wont Start And Replaced Coil, And It's Fireing But Won't Start. And Back Fires

I Had The Codes Read When My Check Engine Light Came On, The Dealership Said Bad O2 Sensor. So I Changed Them Both. Within Two Days The...

Backfires In The Manifold. Replaced Spark Plugs, Wires, Coil Pack, Coil Pack, Plate Map Sensor And O2 Sensor "upstream", Air...

I Have A 1999 Chevrolet Suburban And Problems That It Has Is Backfiring A Lot Smells Bad Gas When Driving Doesnt Speed Up Like It Should Rpm...

How Do I Adjust The Timing On My Camaro. Reason Why Is Because I Tried To Torque The Harmonic Balancer To The Correct Spec After I...

Caravan Starts & Idles & Runs Ok At Speed; Code Reader Gives Misfire On Cyl 2 Took Out Plug 2 To Find It Coated With Black Soot. Put Back In...

Recently I Had A Cadillac Garage Install A New Blower Motor For The Heater/air Conditioner. They Had To Reposition The Engine To Make This...

I Used The Scanner To See Whats Going On N It Tells Me To Change Oxygen Sensor So I Did It But The Car Stills Backfiring? The Checked The...

2005 Toyota Quantum Refuse To Rev Up And Sometimes Backfire And Also Struggles To Start. Done A Diagnostic And Only Fault Was A Cam Sensor...